oak-stylus 0.0.3

Stylus CSS preprocessor parser with support for modern CSS features and dynamic styling.
Documentation 
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#![doc = include_str!("readme.md")]
use core::range::Range;
#[cfg(feature = "serde")]
use serde::{Deserialize, Serialize};

/// Stylus 文档根节点
#[derive(Debug, Clone)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct StylusRoot {
    #[cfg_attr(feature = "serde", serde(with = "oak_core::serde_range"))]
    pub span: Range<usize>,
    pub items: Vec<StylusItem>,
}

/// Stylus 顶级项目
#[derive(Debug, Clone)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub enum StylusItem {
    Rule(StylusRule),
    Comment(StylusComment),
}

/// Stylus 规则
#[derive(Debug, Clone)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct StylusRule {
    #[cfg_attr(feature = "serde", serde(with = "oak_core::serde_range"))]
    pub span: Range<usize>,
    pub selector: String,
    pub properties: Vec<StylusProperty>,
}

/// Stylus 注释
#[derive(Debug, Clone)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct StylusComment {
    #[cfg_attr(feature = "serde", serde(with = "oak_core::serde_range"))]
    pub span: Range<usize>,
    pub text: String,
}

/// Stylus 属性
#[derive(Debug, Clone)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct StylusProperty {
    #[cfg_attr(feature = "serde", serde(with = "oak_core::serde_range"))]
    pub span: Range<usize>,
    pub name: String,
    pub value: String,
}

impl StylusRoot {
    pub fn new(span: Range<usize>) -> Self {
        Self { span, items: Vec::new() }
    }
}